Examples of mining and countermining a fortress, from the 1915 'Scientific American War Book: The Mechanism and Technique of Warfare.
Mining and countermining in the attack and defense of a fortress.
"Examples of mining and countermining a fortress, from the 1915 'Scientific American War Book: The Mechanism and Technique of Warfare."
Friday, April 7, 1916
Scientific American, Scientific American War Book, mine, mining, sapper, undermining a fortress, undermining, countermining
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